Removing duplicate h1 with title

The bare.html layout file already outputs the page.title as an h1, so blog posts currently get duplicate titles (see [Refactoring](http://teach.github.com/articles/Refactoring/) or [Materials launched](http://teach.github.com/articles/Materials-Launched/))
Merge pull request #85 from acusti/patch-2

Removing duplicate h1 with title